Worldwide, Bertha Lina (Bertha Lina 
) is a very rare largely girly, but infrequently male given name. The forename Bertha Lina is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare girly name.
| VARIANT | COUNTRY |
|---|---|
| Bertha Lina | Spain, Malaysia, Peru, Ecuador, Venezuela |
Efendi, and Valencia Delgado